the top wheel isn't correct, but the bottom wheels are cool
Colour theory sketchbook page
Vintage Colour Wheel featured on Bambino Goodies
A better explanation than I've ever gotten from a teacher or book. This could be the wiki for color theory: Why do some color schemes work, and others don’t?
Easy ArtSpace - Colours …
colour wheel collage
The Color Wheel by Bridget Beth Collins
How To Choose Colours That Work Well Together – Infographic | Cool Daily Infographics
The ABCs of Art- Learn about more complex color theory in design and art.